Finding the Third Proportional to 12,984 and 28,560

Step by Step Solution

1. Step 1: Write the proportion equation
   12,984 : 28,560 = 28,560 : x
2. Step 2: Convert to fraction form
   12,984/28,560 = 28,560/x
3. Step 3: Cross multiply
   12,984x = 28,560 × 28,560
4. Step 4: Simplify right side
   12,984x = 815,673,600
5. Step 5: Solve for x
   x = 815,673,600/12,984
6. Step 6: Final answer
   x = 62,821.44